§ 110.19  EXHIBITION OF LICENSE.
   (A)   No licensee shall fail to carry any license issued in accordance with the provisions of this subchapter upon his or her person at all times when engaged in the operation, conduct or carrying on of any trade, profession, business or privilege for which the license was granted; except that, where such trade, profession, business or privilege is operated, conducted or carried on at a fixed place or establishment, said license shall be exhibited at all times in some conspicuous place in his or her place of business. Every licensee shall produce his or her license for examination when applying for a renewal thereof or when requested to do so by any city police officer or by any person representing the issuing authority.
(Prior Code, § 7.20)
   (B)   No licensee shall fail to display conspicuously on each vehicle or mechanical device or machine required to be licensed by this business title such tags or stickers as are furnished by the City Clerk.
(Prior Code, § 7.21)
   (C)   No person shall display any expired license or any license for which a duplicate has been issued.
(Prior Code, § 7.22)  Penalty, see § 10.99